Tephlon is an easy PHP persistence library. It has a highly modular OOP design and a no-SQL storage system. It stores any object or variable safely and tidily on disk for fast access. The API is meant to be easy and fast to learn. It features Java-style key-value maps, namespaces, easy Codeigniter integration, programmable lifetime of records, a multi-driver architecture, reliable and well-tested code, and easy incremental backup of data with SVN or GIT.
Simple Validator is a class that validates string value according to rules. It currently supports validation of non-empty values, number values, e-mail addresses, alphanumeric, alphabetic, and numeric values, IP addresses, URLs, length ranges, and user-defined rules. The error messages associated with each validation are defined in a separate configuration script.